#include<bits/stdc++.h>
using namespace std;
int main(){
    freopen("detect.in","r",stdin);
    freopen("detect.out","w",stdout);
    int T;
    int n, m, L, V,p[j],sum;
    cin>>T;
    cin>>n>>m>>L>>V>>p[j];
    int di,vi,ai,s,v2;
    while(ai=0){
        if(v2>V){
            sum++;
        }
    }
    while(ai!=0){
        v2=vi+a*t;
        if(v2>v){
            sum++;
        }
    }
    while(ai!=0){
        v2=sqrt(vi*vi+2*ai*s);
        if(v2>v){
            sum++;
        }
    }
    cout<<sum<<endl;
fclose(stdin);
fclose(stdout);
return 0;
}
